Home / 79,932.16-119,872.27-26,609.81

Finding the Fourth Proportional to 79,932.16, 119,872.27 and 26,609.81

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Solution

The fourth proportional to 79,932.16, 119,872.27 and 26,609.81 is: 39,906.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,932.16 : 119,872.27 = 26,609.81 : x
  2. Step 2: Convert to fraction form
    79,932.16/119,872.27 = 26,609.81/x
  3. Step 3: Cross multiply
    79,932.16x = 119,872.27 × 26,609.81
  4. Step 4: Simplify right side
    79,932.16x = 3,189,778,328.97
  5. Step 5: Solve for x
    x = 3,189,778,328.97/79,932.16
  6. Step 6: Final answer
    x = 39,906.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.